Acta mathematica scientia,Series A ›› 2003, Vol. 23 ›› Issue (6): 739-744.

• Articles • Previous Articles     Next Articles

Existence of Feasible Solutions of Bilevel Programming

 FAN Li-Ya, LIU San-Yang   

  1. 天津工业大学数学系 天津 300160 西安电子科技大学应用数学系 西安 710071
  • Online:2003-12-25 Published:2003-12-25
  • Supported by:

    国家自然科学基金资助项目(No.69972036)

Abstract:

Bilevel programming is usually formulated with two optimization problems  where  the constraint set of the first one (upper level problem) is partially det ermined by the  optimal reactions of the second one (lower level problem). The paper is devoted to study the existence of feasible solutions, which plays a fun damental and important role in bilevel programming, by means of the w pseu do mo notonicity of the Clarke's subdifferential mapping of the lower level objective  function.

 

Key words: Bilevel programming, Variational inequality, Generalized pseudoconvexity, w pseudo monotonicity

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